the doctor asked what he had been eating为什么引语要用过去完成进行时

题目

the doctor asked what he had been eating为什么引语要用过去完成进行时

答案

间接引语的规矩：原句是过去进行时,改为间接引语就要用过去完成进行时.原句：The doctor asked,"what were you eating?"原句是过去时,间接引语就要用过去时：原句：He said,"I am interested in music."间接引语：He...